CN105674640B - The flux matched regulating device of air-conditioning system refrigerant charging and method - Google Patents
The flux matched regulating device of air-conditioning system refrigerant charging and method Download PDFInfo
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- CN105674640B CN105674640B CN201410659591.3A CN201410659591A CN105674640B CN 105674640 B CN105674640 B CN 105674640B CN 201410659591 A CN201410659591 A CN 201410659591A CN 105674640 B CN105674640 B CN 105674640B
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Abstract
The invention discloses a kind of matched regulating device of the refrigerant charge for air-conditioning system, which includes：Tank is adjusted, flexible separator is equipped with tank is adjusted, adjusting tank is separated into the two parts sealed against each other by separator, and a part is used to store gas, and another part is used to store refrigerant；Adjustable pressure source, adjustable pressure source and the partial fluid communication for being used to store gas for adjusting tank, the pressure of gas in tank is adjusted by controlling adjustable pressure source to change；And shut-off valve, shut-off valve be installed on adjust tank be used for store connecting pipe between the part of refrigerant and circulating line；Regulating device enables to the refrigerant charge of air-conditioning system to change with after air-conditioning system is connected and shut-off valve is opened, adjusting air pressure change in tank.The regulating device of the present invention can accurately control the charge of refrigerant, and the refrigerant from air-conditioning system discharge can be recycled when reducing charge, environment is not had an impact.
Description
Technical field
The present invention relates to air-conditioning system, and in particular to the matching of refrigerant Optimal refrigerant charge in air-conditioning system.
Background technology
The working characteristics of refrigerant charge and air-conditioning system is closely related, and the normal operation of air-conditioning system depends on
Whether the refrigerant amount filled is suitable, if refrigerant charging deficiency can make evaporator evaporation capacity insufficient in system, refrigerant
Flow, which is reduced, can make the refrigerant liquid in evaporator not flow full journey to be just evaporated to gas, and cause compressor return air temperature mistake
Height, the increase of return-air specific volume, causes refrigerating capacity deficiency and outlet superheat is spent greatly, and row's temperature is excessive, and compressor easily causes Thermal protection；If
The refrigerant that filling is excessive to be made into condenser again is too many, and pressure at expulsion is excessive, liquid refrigerant reflux, and when shutdown is excessive
Refrigerant liquid is by capillary transfer into evaporator, and excessive refrigerant liquid goes out evaporation with two phases when starting again
Device, overflows into compressor and causes liquid hit phenomenon.
Therefore during air-conditioning is developed, the air-conditioning for different model is, it is necessary to by testing come definite and air-conditioning man
Make the matched optimal refrigerant charge of parameter.Add system into air-conditioning system frequently with the mode directly filled in the prior art
Cryogen, is difficult to control accurate charge during experiment, and when needing to reduce refrigerant charge, typically directly by part
Refrigerant is discharged into ambient atmosphere environment, and on the one hand not environmentally, the refrigerant quality on the other hand released is difficult to determine.
It is used to adjust system accurate, effective and environmentally friendlyly in air-conditioning development process as described above, being badly in need of one kind in this area
The device of cryogen charge.
The content of the invention
The object of the present invention is to provide one kind in air-conditioning development process, the regulating device of refrigerant charge is effectively matched
And method, it can accurately control the charge of refrigerant, and when reducing charge, can recycle and be discharged from air-conditioning system
Refrigerant, environment is not had an impact.
According to the first aspect of the invention, there is provided a kind of refrigerant charge for air-conditioning system is matched to adjust dress
Put, the air-conditioning system includes compressor, outdoor heat exchanger, indoor heat exchanger, throttling arrangement and circulating line, described to adjust dress
Put including：
Tank is adjusted, separator is equipped with the adjusting tank, the adjusting tank is separated into and seals against each other by the separator
Two parts, a portion is used to store gas, and another part is used to store refrigerant；
Adjustable pressure source, the segment fluid flow for being used to store gas of the adjustable pressure source and the adjusting tank connect
It is logical, by controlling the adjustable pressure source to adjust the pressure of gas in the adjusting tank；
Shut-off valve, the shut-off valve be installed on it is described adjusting tank be used for store the part of refrigerant and the circulating line
Between connecting pipe on；Wherein,
The regulating device with after the air-conditioning system is connected and the shut-off valve is opened, it is described to adjust gas in tank
Pressure change can make the separator deform so that and the amount for adjusting the refrigerant stored in tank changes, from
And the refrigerant charge of the air-conditioning system changes.
The material for being preferably made from the separator may be selected from one or more in following material：
Neoprene (Neoprene), nitrile rubber (Buna), ethylene propylene diene rubber (EPDM), Hypalon (Hypalon), fluorine
Rubber (Viton, Aflas) and polytetrafluoroethylene (PTFE) (PTFE)；And/or
Material for manufacturing the tank body may be selected from the one or more in following material：
Cast iron, cast aluminium, carbon steel, stainless steel, copper and alloy；And/or
The gas is nitrogen or air.
Preferably, the separator is flexible membrane structure.
Preferably, the regulating device includes two shut-off valves being connected in series, one of shut-off valve and the air-conditioning
The circulating line of system is connected, another shut-off valve is connected with the part for being used to store refrigerant of the adjusting tank.
Preferably, the regulating device is used in the development process of air-conditioning system, and completes the system of the air-conditioning system
After cryogen filling is flux matched, the regulating device can be removed from the air-conditioning system.
Preferably, after described two shut-off valves are closed, the connection between described two shut-off valves can be disconnected, so that will
The regulating device is removed from the air-conditioning system.
Preferably, the regulating device with after the air-conditioning system is connected and the shut-off valve is opened, increase/reduction institute
The charge for adjusting gas in tank is stated, enabling to the refrigerant charge of the air-conditioning system correspondingly increases/reduce.
According to the second aspect of the invention, there is provided a kind of method for the refrigerant charge for matching air-conditioning system, it is described
Method comprises the following steps：
(1) foregoing regulating device is provided；
(2) refrigerant of scheduled volume is filled with into the air-conditioning system and/or the adjusting tank；
(3) in the case where the regulating device is connected with the air-conditioning system, according to the performance of the air-conditioning system of measure
Coefficient, adjusts the adjustable pressure source, changes the pressure of gas in the adjusting tank several times, and then changes the air-conditioning system
The actual charge of refrigerant in system, and measure the coefficient of performance of air-conditioning system respectively every time, until in the error range of permission
It is interior, determine the Optimal refrigerant charge of air-conditioning system refrigerant.
In a preferred embodiment, the step in the above method (2) includes：
(a) before the adjusting tank is connected with the air-conditioning system, to the adjusting tank for storing refrigerant
Part is filled with refrigerant, and the amount for the refrigerant being filled with is more than the air-conditioning system Optimal refrigerant charge estimated；
(b) shut-off valve is closed, the regulating device is connected with the air-conditioning system；
(c) shut-off valve is opened, adjusts adjustable pressure source so that the part for being used to store gas for adjusting tank
In air pressure rise, the refrigerant adjusted in tank is pressed into the air-conditioning system, closes shut-off valve, run the air-conditioning system simultaneously
Measure the coefficient of performance of air-conditioning system；
In aforementioned preferred embodiments, the method further includes：
The adjusting tank gross mass M after refrigerant is filled with measuring process (a)0；
After Optimal refrigerant charge matching is completed, the regulating device is removed from the air-conditioning system, discharges the adjusting
Residual gas in tank, measures the gross mass M of the adjusting tank containing residual refrigerantx；Wherein,
The refrigerant Optimal refrigerant charge of the air-conditioning system is M=M0-Mx。
Preferably, in aforementioned preferred embodiments, the step (3) in the above method includes：
(d) operation of repeat step (c), increases the amount of refrigerant, carries out corresponding heat pump performance coefficient several times successively
Measure, obtain the section where Optimal refrigerant charge；
(e) shut-off valve to be opened, adjusts the adjustable pressure source so that the gas pressure adjusted in tank reduces, from
And some refrigerant in the air-conditioning system is back to the adjusting tank so that the refrigerant charge in the air-conditioning system
Fall in the section obtained by step (d), close shut-off valve, run air-conditioning system and measure its coefficient of performance；
(f) operation of repeat step (c) or (e), in the error range of permission, determine air-conditioning system refrigerant in sky
Charging amount during adjusting system coefficient of performance highest.
In another preferred embodiment, step (2) bag in the method for the refrigerant charge of the matching air-conditioning system
Include：
(a ') is filled with refrigerant into the air-conditioning system, fills before the adjusting tank is connected with the air-conditioning system
The amount of the refrigerant entered is more than the air-conditioning system Optimal refrigerant charge estimated, and the quality for the refrigerant being filled with is denoted as M1；
(b ') closes the shut-off valve, and the regulating device is connected with the air-conditioning system；
Preferably, in foregoing another preferred embodiment, step (3) includes：
(c ') opens the shut-off valve, adjusts adjustable pressure source so that the refrigerant in the air-conditioning system enters institute
Adjusting tank is stated, closes the shut-off valve, the air-conditioning system is run and measures the coefficient of performance of air-conditioning system；
The operation of (d ') repeat step (c '), reduces the amount of refrigerant in air-conditioning system successively, carries out several times corresponding
The measure of heat pump performance coefficient, obtains the section where Optimal refrigerant charge；
(e ') opens shut-off valve, adjusts the adjustable pressure source, changes the gas pressure adjusted in tank so that institute
State the actual charging amount of the refrigerant in air-conditioning system to fall in the section obtained by step (d '), change several times in the section empty
The actual charging amount of refrigerant in adjusting system, air-conditioning system described in each run simultaneously measure the coefficient of performance of air-conditioning system, until
In the error range of permission, the charging amount in Performance for Air Conditioning Systems coefficient highest of air-conditioning system refrigerant is determined.
In a further preferred embodiment, step (2) bag in the method for the refrigerant charge of the matching air-conditioning system
Include：
After the adjusting tank is connected with the air-conditioning system, refrigerant is filled with into the air-conditioning system, is filled with
The amount of refrigerant is more than the air-conditioning system Optimal refrigerant charge estimated, and the quality for the refrigerant being filled with is denoted as M1。
In foregoing another preferred embodiment and another preferred embodiment, the method further includes：
Before the adjusting tank is connected with the air-conditioning system, measures the quality of the adjusting tank of sky and be denoted as M2；
After Optimal refrigerant charge matching is completed, the regulating device is removed from the air-conditioning system, discharges the adjusting
Residual gas in tank, measures the gross mass M of the adjusting tank containing residual refrigerantx’；Wherein,
The refrigerant Optimal refrigerant charge of the air-conditioning system is M=M1+M2-Mx’。
Regulating device using the present invention, refrigerant, which is pre-stored in, to be adjusted in tank, by controlling adjustable pressure source
Can adjust exactly adjust tank in the amount of pouring from refrigerant to air-conditioning system, need reduce charge when, from air-conditioning system
The refrigerant of middle discharge, which can be recovered to, to be adjusted in tank, has not only avoided pollution of the discharge refrigerant into air to environment, but also
Refrigerant has been saved, has been used for later match test.In addition, the setting of two shut-off valves can facilitate the peace of attachment device
Assembly and disassembly, and further avoid the leakage of refrigerant.
Brief description of the drawings
Fig. 1 is the schematic diagram of the flux matched online regulating device of air-conditioning system refrigerant charging according to the present invention.
Embodiment
Presently preferred embodiments of the present invention is described in detail below with reference to attached drawing, to become apparent from understanding the present invention's
Objects, features and advantages.It should be understood that embodiment shown in the drawings does not limit the scope of the present invention, and it is simply
The connotation of explanation technical solution of the present invention.
Regulating device
As shown in Figure 1, the regulating device that the present invention adds in dashed rectangle within air-conditioning systems is used to match air-conditioning system
The charging amount of the refrigerant of middle work.As shown in the figure, air-conditioning system includes compressor 1, fluid reservoir 2, four-way valve 3, outdoor heat exchange
Device 4, indoor heat exchanger 5, throttling arrangement 6 and connecting pipe, wherein at P on pipeline, such as pass through three-way pipe and filled with adjusting
Put connection.
The regulating device of refrigerant charge mainly includes adjusting tank 7, adjustable pressure source 13 and shut-off valve 11,12, its
In be equipped with to be used to that tank 7 will to be adjusted in tank 7 is adjusted and be separated into the two-part separator 8 that seals against each other, adjust separator in tank 7
More than 8 part is used to store gas 9, and part of the separator below 8 is used to store refrigerant 10, adjust the top of tank 7 with can
Regulated pressure source 13 is hermetically in fluid communication, and the bottom for adjusting tank 7 is hermetically in fluid communication with shut-off valve 12.Shut-off valve 11 is with cutting
Only valve 12 is connected in series and is connected by connecting pipe with air-conditioning system.
Separator 8 can take any suitable form, as long as it can be according to the pressure differential between gas 9 and refrigerant 10
Deform along corresponding direction, adjusted so as to change in tank by the two-part volume of its separation.Preferably, separator is tool
Flexible membrane structure.
The material for being preferably made from the separator 8 may be selected from one or more in following material：Neoprene
(Neoprene), nitrile rubber (Buna), ethylene propylene diene rubber (EPDM), Hypalon (Hypalon), fluorubber (Viton,
) and polytetrafluoroethylene (PTFE) (PTFE) Aflas.
The material for being preferably made from tank body may be selected from one or more in following material：It is cast iron, cast aluminium, carbon steel, stainless
Steel, copper and alloy.
Preferably, adjust the gas being filled with tank and nitrogen or air can be selected.
Adjustable pressure source 13 can be the nitrogen cylinder that can adjust aeration quantity, by the charge for adjusting gas in tank 7
The air pressure on 7 top of adjusting tank can be raised and lowered, in the case where shut-off valve 11 and 12 is all opened, correspondingly so that point
The refrigerant that 8 retracted downward of spacing body adjusts 7 lower part of tank is charged air-conditioning system, or causes separator 8 expansion and air-conditioning upwards
Refrigerant-recovery in system is into adjusting tank.
It is notably that regulating device of the invention includes two shut-off valves, so that the installation of regulating device
It is more convenient with dismantling.After a certain amount of refrigerant is filled with adjusting tank 7, the adjusting tank 7 of regulating device, adjustable pressure
Source 13 and shut-off valve 12 can remain that connection is integral, during to air-conditioning system device for installing and adjusting, it is only necessary to by shut-off valve 11
It is connected with shut-off valve 12；When completing to remove regulating device after matching, it is only necessary to close shut-off valve 11 and 12, then by shut-off valve 11
Disconnect with shut-off valve 12, can so ensure during regulating device is attached and removed from, all without causing to make
The leakage of cryogen, further reduces the pollution to environment.
Matching process
In fact, using such as regulating device of the invention above, the matching of air-conditioning system refrigerant charge can be with
Using different method and steps.
In a preferred embodiment, matching process comprises the following steps：
(1) before the adjusting tank is connected with the air-conditioning system, ratio is filled with into adjusting tank from the bottom for adjusting tank
The big refrigerant amount of the Optimal refrigerant charge estimated, and measure the initial gross weight M for adjusting tank and refrigerant0；
(2) in the case where shut-off valve 11 and 12 is all closed, the connection and installation of regulating device are completed；
(3) shut-off valve 11 and 12, regulated pressure source 13 are opened so that adjust the air pressure rise on 7 top of tank, a certain amount of system
Cryogen 10 is pressed into air-conditioning system, closes shut-off valve 11, is run air-conditioning system and is measured the coefficient of performance of air-conditioning system；
(4) operation of repeat step (3), increases the amount of refrigerant, carries out corresponding heat pump performance coefficient several times successively
Measure, obtain the section where Optimal refrigerant charge；
(5) shut-off valve 11, regulated pressure source 13 are opened so that the gas adjusted in tank 7 is partly refluxed to source of the gas, so as to lead
The air pressure for adjusting 7 top of tank is caused to reduce, some refrigerant in air-conditioning system is back in the lower part for adjusting tank 7 and stores so that
The refrigerant charge in air-conditioning system falls the section obtained in step (4) at this time, closes shut-off valve 11, runs air-conditioning system
And measure the coefficient of performance of air-conditioning system；
(6) operation of similar step (3) or (5) is repeated, in the error range of permission, determines air-conditioning system refrigerant
Optimal refrigerant charge, the i.e. highest charging amounts of Performance for Air Conditioning Systems coefficient COP；
(7) shut-off valve 12 is closed, removes regulating device, release adjusts the residual gas in tank, and measures at this time containing surplus
The gross mass M of the adjusting tank of remaining refrigerantx。
By above-mentioned steps, the matching value M=M of refrigerant charge can be obtainedx-M0。
In another preferred embodiment, matching process comprises the following steps：
(1) before adjusting tank and being connected with air-conditioning system, refrigerant is filled with into air-conditioning system, the amount for the refrigerant being filled with
More than the air-conditioning system Optimal refrigerant charge estimated, wherein the quality for the refrigerant being filled with is denoted as M1, the empty quality for adjusting tank is simultaneously
It is denoted as M2；
(2) shut-off valve is closed, regulating device is connected with air-conditioning system；
(3) shut-off valve is opened, adjusts adjustable pressure source so that the refrigerant in air-conditioning system, which enters, adjusts tank, closes
Shut-off valve, runs air-conditioning system and measures the coefficient of performance of air-conditioning system；
(4) operation of repeat step (3), reduces the amount of the refrigerant in air-conditioning system successively, carries out several times corresponding
The measure of heat pump performance coefficient, obtains the section where Optimal refrigerant charge；
(5) shut-off valve is opened, adjustable pressure source is adjusted, changes the gas pressure adjusted in tank so that in air-conditioning system
The actual charging amount of refrigerant fall in the section obtained by step (4), change the refrigerant in air-conditioning system several times in section
Actual charging amount, each run air-conditioning system and the coefficient of performance for measuring air-conditioning system, until in the error range of permission, really
Determine the charging amount in Performance for Air Conditioning Systems coefficient highest of air-conditioning system refrigerant.
(6) after Optimal refrigerant charge matching is completed, regulating device is removed from air-conditioning system, release adjusts the residue in tank
Gas, measures the gross mass M of the adjusting tank containing residual refrigerantx’。
By above-mentioned steps, the matching value M=M of refrigerant charge can be obtained1+M2-Mx’。
Further, it is also possible to be connected in adjusting tank with air-conditioning system and then refrigerant is filled with into air-conditioning system, it is filled with
The amount of refrigerant is more than the air-conditioning system Optimal refrigerant charge estimated, and some refrigerant, which can enter, to be adjusted in tank.Specific match party
Method is similar to the above method, wherein, after the adjusting tank is connected with the air-conditioning system, it is filled with into the air-conditioning system
Refrigerant, the amount for the refrigerant being filled with is more than the air-conditioning system Optimal refrigerant charge estimated, and the quality for the refrigerant being filled with is denoted as
M1, before the adjusting tank is connected with the air-conditioning system, measures the quality of the adjusting tank of sky and be denoted as M2, complete most preferably
Fill it is flux matched after, the regulating device is removed from the air-conditioning system, discharge it is described adjust tank in residual gas, measurement
The gross mass M of adjusting tank containing residual refrigerantx’；Then the refrigerant Optimal refrigerant charge of the air-conditioning system is M=M1+M2-
Mx’。
As set forth above, it is possible to find out regulating device using the present invention, refrigerant, which is pre-stored in, to be adjusted in tank, is passed through
The adjustable pressure source of control, which can adjust refrigerant in adjusting tank exactly, to the amount of pouring of air-conditioning system, especially to be needed to subtract
During few charge, the refrigerant discharged from air-conditioning system can be recovered in adjusting tank, both avoided discharge refrigerant extremely
To the pollution of environment in air, and refrigerant is saved, used for later match test.In addition, two shut-off valve is set
The installation and removal for facilitating attachment device are put, and further avoid the leakage of refrigerant.
Adjusting tank 7 can be connected on the circulating line between outdoor heat exchanger 4 and throttling arrangement 6, can also be connected to
On circulating line between indoor heat exchanger 5 and throttling arrangement 6.
Presently preferred embodiments of the present invention is described in detail above, it is understood that being said having read the above-mentioned of the present invention
After awarding content, those skilled in the art can make various modifications or changes to the present invention.Such equivalent forms equally fall within this
Apply for the appended claims limited range.
Claims (11)
1. a kind of matched regulating device of refrigerant charge for air-conditioning system, the air-conditioning system includes compressor, room
External heat exchanger, indoor heat exchanger, throttling arrangement and circulating line, it is characterised in that the regulating device includes：
Tank is adjusted, separator is equipped with the adjusting tank, the adjusting tank is separated into two sealed against each other by the separator
Part, a portion are used to store gas, and another part is used to store refrigerant；
Adjustable pressure source, the partial fluid communication for being used to store gas of the adjustable pressure source and the adjusting tank, leads to
Cross the pressure for controlling the adjustable pressure source to adjust gas in the adjusting tank；And
Shut-off valve, the shut-off valve be installed on it is described adjusting tank be used for store between the part of refrigerant and the circulating line
Connecting pipe on；Wherein,
The regulating device with after the air-conditioning system is connected and the shut-off valve is opened, the pressure for adjusting gas in tank
Change can make the separator deform so that the amount for adjusting the refrigerant stored in tank changes, so that institute
The actual refrigerant charge for stating air-conditioning system changes, and the regulating device is arranged to be connected with the air-conditioning system
In the case of, according to the coefficient of performance of the air-conditioning system of measure, the adjustable pressure source is adjusted, changes the adjusting several times
The pressure of gas in tank, and then change the actual charge of refrigerant in the air-conditioning system, and measure air-conditioning system respectively every time
The coefficient of performance of system, until in the error range of permission, determines the Optimal refrigerant charge of air-conditioning system refrigerant.
2. regulating device according to claim 1, it is characterised in that the regulating device includes two sections being connected in series
Only valve, one of shut-off valve are connected with the circulating line of the air-conditioning system, the use of another shut-off valve and the adjusting tank
It is connected in the part of storage refrigerant.
3. regulating device according to claim 1, it is characterised in that the regulating device is used in the exploitation of air-conditioning system
During, and after the refrigerant charging of completing the air-conditioning system is flux matched, the regulating device can be from the air-conditioning system
Remove.
A kind of 4. method for the refrigerant charge for matching air-conditioning system, it is characterised in that the described method comprises the following steps：
(1) regulating device as described in preceding claims 1 or 2 is provided；
(2) refrigerant of scheduled volume is filled with into the air-conditioning system and/or the adjusting tank；
(3) in the case where the regulating device is connected with the air-conditioning system, according to the coefficient of performance of the air-conditioning system of measure,
The adjustable pressure source is adjusted, changes the pressure of gas in the adjusting tank several times, and then is changed in the air-conditioning system
The actual charge of refrigerant, and measure the coefficient of performance of air-conditioning system respectively every time, until in the error range of permission, really
Determine the Optimal refrigerant charge of air-conditioning system refrigerant.
5. according to the method described in claim 4, it is characterized in that, step (2) includes：
(a) before the adjusting tank is connected with the air-conditioning system, to the part for being used to store refrigerant of the adjusting tank
Refrigerant is filled with, the amount for the refrigerant being filled with is more than the air-conditioning system Optimal refrigerant charge estimated；
(b) shut-off valve is closed, the regulating device is connected with the air-conditioning system；
(c) shut-off valve is opened, adjusts adjustable pressure source so that in the part for being used to store gas for adjusting tank
Air pressure raises, and adjusts the refrigerant in tank and is pressed into the air-conditioning system, closes shut-off valve, run the air-conditioning system and measure
The coefficient of performance of air-conditioning system.
6. according to the method described in claim 5, it is characterized in that, the method further includes：
The adjusting tank gross mass M after refrigerant is filled with measuring process (a)0；
After Optimal refrigerant charge matching is completed, the regulating device is removed from the air-conditioning system, is discharged in the adjusting tank
Residual gas, measure containing residual refrigerant adjusting tank gross mass Mx；Wherein,
The refrigerant Optimal refrigerant charge of the air-conditioning system is M=M0-Mx。
7. according to the method described in claim 5, it is characterized in that, step (3) includes：
(d) operation of repeat step (c), increases the amount of refrigerant, carries out the survey of corresponding heat pump performance coefficient several times successively
It is fixed, obtain the section where Optimal refrigerant charge；
(e) shut-off valve is opened, adjusts the adjustable pressure source so that the gas pressure adjusted in tank reduces, so that institute
State some refrigerant in air-conditioning system and be back to the adjusting tank so that the refrigerant charge in the air-conditioning system falls
Section obtained by step (d), closes shut-off valve, runs air-conditioning system and measures its coefficient of performance；
(f) operation of repeat step (c) or (e), in the error range of permission, determine air-conditioning system refrigerant in air-conditioning system
Charging amount during coefficient of performance highest of uniting.
8. according to the method described in claim 4, it is characterized in that, step (2) includes：
(a ') is filled with refrigerant into the air-conditioning system, is filled with before the adjusting tank is connected with the air-conditioning system
The amount of refrigerant is more than the air-conditioning system Optimal refrigerant charge estimated, and the quality for the refrigerant being filled with is denoted as M1；
(b ') closes the shut-off valve, and the regulating device is connected with the air-conditioning system.
9. according to the method described in claim 8, it is characterized in that, step (3) includes：
(c ') opens the shut-off valve, adjusts adjustable pressure source so that the refrigerant in the air-conditioning system enters the tune
Tank is saved, the shut-off valve is closed, runs the air-conditioning system and measure the coefficient of performance of air-conditioning system；
The operation of (d ') repeat step (c '), reduces the amount of refrigerant in air-conditioning system, carries out corresponding air-conditioning several times successively
The measure of the coefficient of performance, obtains the section where Optimal refrigerant charge；
(e ') opens shut-off valve, adjusts the adjustable pressure source, changes the gas pressure adjusted in tank so that the sky
The actual charging amount of refrigerant in adjusting system falls in the section obtained by step (d '), changes air-conditioning system several times in the section
The actual charging amount of refrigerant in system, air-conditioning system described in each run simultaneously measure the coefficient of performance of air-conditioning system, until permitting
Perhaps in error range, the charging amount in Performance for Air Conditioning Systems coefficient highest of air-conditioning system refrigerant is determined.
10. according to the method described in claim 4, it is characterized in that, step (2) includes：
After the adjusting tank is connected with the air-conditioning system, refrigerant is filled with into the air-conditioning system, the refrigeration being filled with
The amount of agent is more than the air-conditioning system Optimal refrigerant charge estimated, and the quality for the refrigerant being filled with is denoted as M1。
11. the method according to claim 8 or 10, it is characterised in that the method further includes：
Before the adjusting tank is connected with the air-conditioning system, measures the quality of the adjusting tank of sky and be denoted as M2；
After Optimal refrigerant charge matching is completed, the regulating device is removed from the air-conditioning system, is discharged in the adjusting tank
Residual gas, measure containing residual refrigerant adjusting tank gross mass Mx’；Wherein,
The refrigerant Optimal refrigerant charge of the air-conditioning system is M=M1+M2-Mx’。
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| CN201410659591.3A CN105674640B (en) | 2014-11-18 | 2014-11-18 | The flux matched regulating device of air-conditioning system refrigerant charging and method |
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| CN113357856B (en) * | 2021-06-07 | 2022-09-06 | 青岛海尔空调器有限总公司 | Refrigerant filling matching adjusting device of air conditioning system and control method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4106306A (en) * | 1976-06-24 | 1978-08-15 | The Trane Company | Refrigerant charge adjuster apparatus |
| US5827050A (en) * | 1996-08-07 | 1998-10-27 | Price; Gregory W. | Jug heat pak |
| CN1405515A (en) * | 2001-09-12 | 2003-03-26 | 三菱电机株式会社 | Refrigerant loop tank |
| CN201293503Y (en) * | 2008-09-27 | 2009-08-19 | 广东美的电器股份有限公司 | Coolant amount adjusting device for air conditioner |
| DE102008002603A1 (en) * | 2008-06-24 | 2009-12-31 | Robert Bosch Gmbh | Air-conditioning service device for motor vehicle, has oil line attached to oil chamber, and gas line attached to gas bell, where pressure in gas bell is controlled by connection of gas line with pressure-generating unit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10015976B4 (en) * | 2000-03-30 | 2019-07-04 | Mahle International Gmbh | Filling device for motor vehicle air conditioners |
-
2014
- 2014-11-18 CN CN201410659591.3A patent/CN105674640B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4106306A (en) * | 1976-06-24 | 1978-08-15 | The Trane Company | Refrigerant charge adjuster apparatus |
| US5827050A (en) * | 1996-08-07 | 1998-10-27 | Price; Gregory W. | Jug heat pak |
| CN1405515A (en) * | 2001-09-12 | 2003-03-26 | 三菱电机株式会社 | Refrigerant loop tank |
| DE102008002603A1 (en) * | 2008-06-24 | 2009-12-31 | Robert Bosch Gmbh | Air-conditioning service device for motor vehicle, has oil line attached to oil chamber, and gas line attached to gas bell, where pressure in gas bell is controlled by connection of gas line with pressure-generating unit |
| CN201293503Y (en) * | 2008-09-27 | 2009-08-19 | 广东美的电器股份有限公司 | Coolant amount adjusting device for air conditioner |
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| CN105674640A (en) | 2016-06-15 |
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